compoundUpdateInputVisitor.h

00001 
00002 /* Copyright (c) 2007-2009, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef EQSERVER_COMPOUNDUPDATEINPUTVISITOR_H
00019 #define EQSERVER_COMPOUNDUPDATEINPUTVISITOR_H
00020 
00021 #include "compoundVisitor.h" // base class
00022 
00023 #include <eq/base/hash.h>
00024 
00025 namespace eq
00026 {
00027 namespace server
00028 {
00029     class Channel;
00030     class Frame;
00031 
00035     class CompoundUpdateInputVisitor : public CompoundVisitor
00036     {
00037     public:
00038         CompoundUpdateInputVisitor( 
00039             const stde::hash_map<std::string, Frame*>& outputFrames );
00040         virtual ~CompoundUpdateInputVisitor() {}
00041 
00043         virtual VisitorResult visit( Compound* compound );
00044 
00045     private:
00046         const stde::hash_map<std::string, Frame*>& _outputFrames;
00047 
00048         void _updateZoom( const Compound* compound, Frame* frame, 
00049                           const Frame* outputFrame );
00050     };
00051 }
00052 }
00053 #endif // EQSERVER_CONSTCOMPOUNDVISITOR_H